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BMC Ophthalmology
Published in: BMC Ophthalmology 1/2018

Open Access 01-12-2018 | Research article

Comparison of hyperdry amniotic membrane transplantation and conjunctival autografting for primary pterygium

Authors: Xin Pan, Daguang Zhang, Zhifang Jia, Zhehui Chen, Yuetian Su

Published in: BMC Ophthalmology | Issue 1/2018

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Abstract

Background

The purpose of this study was to evaluate the safety and effectiveness of the hyperdry amniotic membrane transplantation compared with conjunctival autografting for the treatment of primary pterygium.

Methods

One hundred and forty-one eyes from 130 patients with primary pterygium were treated with excision followed by hyperdry amniotic membrane or conjunctival autografting after random selection. Seventy-nine eyes from 71 patients received hyperdry amniotic membrane transplantation (HD-AM group), and 62 eyes from 59 patients received conjunctival autografting (CG group). Patients were followed up at one week and one, three, six, and 12 months post-surgery. Recurrence rate, postoperative complications, and final follow-up patient visits were prospectively evaluated.

Results

The mean follow-up duration was 12.56 ± 4.35 months in the HD-AM group and 12.85 ± 3.90 months in the CG group. Recurrences were detected in four eyes (5.06%) in the HD-AM group and 13 eyes (20.97%) in the CG group. A statistically significant difference in frequency of recurrence between the two groups (P = 0.003) was observed. The cumulative non-recurrence rates at six and 12 months in all patients stratified by age and sex were not significantly different (P = 0.642 and P = 0.451, respectively, by log-rank test). Graft retraction and necrosis were not detected in the two groups during the follow-up period.

Conclusion

Hyperdry amniotic membrane transplantation was effective in preventing pterygium recurrence when compared with conjunctival autografting and can be considered a preferable and safe grafting procedure for primary pterygium.

Trial registration

Current Controlled Trials ISRCTN16900270, Retrospectively registered (Date of registration: 3 May 2018).
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Metadata
Title
Comparison of hyperdry amniotic membrane transplantation and conjunctival autografting for primary pterygium
Authors
Xin Pan
Daguang Zhang
Zhifang Jia
Zhehui Chen
Yuetian Su
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Ophthalmology / Issue 1/2018
Electronic ISSN: 1471-2415
DOI
https://doi.org/10.1186/s12886-018-0784-4

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